Thank you, Edwin. Good morning, everyone. And thank you for joining us on this call. Despite the challenging market environment in Q1, Advance Energy delivered solid profitability while continuing to execute on our strategy and invest in critical problems. Industrial technologies delivered solid results this quarter, overcoming slow demand related to consumer electronic market and our server sale held up well in face low utilization and a seasonal slowdown in China. The semiconductor market remains challenging with our customers' changing ordering patterns in a quarter. Through it all, we continue to win a new designs product including several that we expect to drive improvement to our business in the second half of this year. The integration of our recently acquired businesses is progressing on track. As we reduced cost while developing new opportunities. Finally, our team has made great progress in executing on our strategic initiatives. In semiconductors, the environment remain challenging in the first quarter with incremental weakness in our sales into memory applications especially in etch partially offset by some pickup in applications for foundry and logic such as BVD. In addition, as way for fab equipment manufacturers adjusted their production levels and reduced inventories to match the new demand environment, our business with some of them has started to recover. While business with other has continued to decline. For example, as reported in our 10-Q filing, sales to our largest customer decline meaningfully during Q1, while revenue from our second largest customer rebounded. As we look forward, we expect our sales into the semiconductor market in Q1 to decline modestly due to further weakening in the DRAM market and continued inventory adjustment by our customers. Having said that, we believe some improvements in demand are signals for the early stage of market stabilization. And we expect revenues in the rest of the year to remain around the first half levels, setting up a potential recovery in 2020. As we said last quarter, our customers are aggressively developing new and enabling semiconductor processing technologies. As a leader in the industry, we have accelerated our R&D investment and have been successful in winning at new opportunities. This quarter, we secured the critical design win for RF matching networks at one of the market leading companies which adds tens of millions of dollars of incremental revenues in the next few years. In addition, we won a PECVD hard mask application at the leading Korean OEM customer. We successfully completed three key RF technology evaluation programs that we reported in our last call, and have already started to ship units to our customers beta testing at several leading semi-fabs. We anticipate to see more shipments in the coming months. We're actively engaged with all of our customers for many next-generation designs, reinforcing the importance of power technology in enabling next-generation semi manufacturing processes. The demand for both atomic scale precision and higher process throughput is driving the need for more sophisticated RF and DC power delivery systems. Although the semiconductor industry is inherently cyclical, I fully expect AE to come out of this downturn with a stronger position and solid growth. In our Industrial Technologies market, revenues increase both sequentially and year-over-year in Q1. Demand for PV solar was particularly strong as we saw a sizeable increase from crystalline solar cell manufacturers in a large shipment for thin film solar application. In addition, growth in the medical market and in high voltage applications remains solid. On the other hand, we saw weakness in our industrial production and consumer electronic related markets, including both flat panel displays and hard coatings. Looking into the current quarter, we expect the weakness in the consumer electronics related markets to continue particularly in flat panel display, where we expect another quarter of sequential decline. In addition, we do not anticipate the large thin-film solar ship in Q1 to repeat in Q2. Although demand for crystalline solar cell manufacturing will continue to improve, and we see more PD production capacities coming online in the second half of 2019. As a result, we expect our industrial products to decline modestly in the second quarter and be roughly flat year-over-year. During Q1, our industrial team secured many design wins. We expect some of these wins to start contributing to our business within 2019, giving us confidence that industrial revenue will grow in the second half of the year. Notably, we won new designs in the medical equipment market for atomic imaging and electro medicine applications, which should give an important position at the leading glass manufacturer in China, and we displace a competitor in disposition equipment for foldable OLED screens. We also want several new designs for one of the largest solar cell manufacturers in China. These new opportunities should also allow us to continue to gain share and expand our addressable market. Overall, we expect the second half to be stronger than the first half, and remain committed to our long-term growth of mid-teens CAGR for these markets. Our service business was down modestly in Q1 primarily as a result of seasonality, lower fab utilization in China and timing of repair activities as OEM shifted service business from the US to a regional service centers. Despite the sequential decline, service grew significantly year-over-year. We expect service to continue to achieve our target growth rate of over 10% in 2019. In Q1, we executed several of our strategic initiatives. This includes our efforts to add a second production site in a new location. We have now identified the location in Malaysia and we expect to start the initial production at this new site in the second half in transition over a few quarters. We anticipate this move to substantially mitigate our exposure to regional risks, improve our business continuity profile and ultimately lower our costs. Our position integration team has also done a great job integrating LumaSense substantially consolidating in cost structure, while pursuing new focus growth opportunities with an optimized distribution channel strategy. We expect to start seeing the initial benefit this quarter. In summary, macro and market conditions were challenging in Q1, but our team executed to deliver solid profitability. While we are projecting our business to decline modestly in Q2 due to consumer electronic markets, timing of solo projects and softening in a dealer market, we are confident our industrial market sales and our service business would see a stronger second half. As we execute to deliver on a long-term growth strategy, we're developing new breakthrough technologies, solving our customers' critical technology challenges, consolidating and building a stronger organization and continuing to evaluate a healthy pipeline of acquisition targets. I'd like to thank our customers, shareholders, partners and our valued employees for your support. I look forward to seeing many of you in the upcoming quarter. With that, let me turn the call over to Paul.